Helvetica Chimica Acta

The Synthesis of 4b, 5, 12, 12a??Tetrahydro??5, 12??ethano??13H??indeno [2, 3??b] anthracenes, 4b, 5, 10, 10a??tetrahydro??5, 10??ethano??11H??indeno [2, 3??b] naphtalenes …

W Amrein, K Schaffner

文献索引：Amrein,W.; Schaffner,K. Helvetica Chimica Acta, 1975 , vol. 58, p. 380 - 397

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被引用次数: 13

摘要

Abstract The synthesis of endo-and exo-13-oxo-4b, 5, 12, 12a-tetrahydro-5, 12- ethanoindeno [2, 3-b] anthracene (23; Schemes 1 and 2), exo-and endo-11-oxo-4b, 5, 10, 10a-tetrahydro-5, 10-ethano-indeno [2, 3-b] naphthalene (31; Scheme 3), 1, 2, 3, 4, 4a, 9a- hexahydro− 1, 4-(peri-naphthaleno)-fluoren-9-one (36; Scheme 4), and the corresponding hydrocarbons of the stereoisomeric ketone pairs 23 and 36, is described.